--- a/backend/src/main/java/org/dive4elements/river/model/sinfo/InfrastructureValue.java	Mon Jun 04 11:25:29 2018 +0200
+++ b/backend/src/main/java/org/dive4elements/river/model/sinfo/InfrastructureValue.java	Mon Jun 04 11:55:08 2018 +0200
@@ -11,6 +11,7 @@
 package org.dive4elements.river.model.sinfo;
 
 import java.io.Serializable;
+import java.util.List;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -22,7 +23,10 @@
 import javax.persistence.SequenceGenerator;
 import javax.persistence.Table;
 
+import org.dive4elements.river.backend.SessionHolder;
 import org.dive4elements.river.model.Attribute;
+import org.hibernate.Query;
+import org.hibernate.Session;
 
 
 /**
@@ -121,4 +125,17 @@
     public void setHeight(final Double height) {
         this.height = height;
     }
+
+    /**
+     * Selects the infrastructure values of a data series in a km range from the database
+     */
+    public static List<InfrastructureValue> getValues(final Infrastructure parent, final double kmLo, final double kmHi) {
+        final Session session = SessionHolder.HOLDER.get();
+        final Query query = session.createQuery("FROM InfrastructureValue WHERE (infrastructure=:parent)"
+                + " AND (station >= :kmLo - 0.0001) AND (station <= :kmHi + 0.0001)");
+        query.setParameter("parent", parent);
+        query.setParameter("kmLo", new Double(kmLo));
+        query.setParameter("kmHi", new Double(kmHi));
+        return query.list();
+    }
 }